Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668107 | Method and apparatus for reducing optical insertion loss in planar lightwave circuits through dielectric perturbation optimization | Marshall DePue, Hisato Uetsuka, Hiroaki Okano | 2003-12-23 |